Viking® VK181, Standard, Dry Sprinkler, 8.0K, Recessed Adjustable, Pendent, QR, 1” NPT, Chrome, 200 Degree, 12” Length, 13250UFE12 Fire Sprinkler Head ec333 57-561-4-175

57-561-4-175

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50-801-1-155

4 inch deep enclosed back box

broaden operating temperature (−4°F to 158°F) and humidity (0 to 95 percent noncondensing) ranges

Viking® VK181, Standard, Dry Sprinkler, 8.0K, Recessed Adjustable, Pendent, QR, 1” NPT, Chrome, 200 Degree, 12” Length, 13250UFE12 Fire Sprinkler Head ec333 57-561-4-175Viking VK181, Standard, Dry Sprinkler, 8. 0K, Recessed Adjustable, Pendent, QR, 1 NPT, Chrome, 200 Degree, 12 Length, 13250UFE12 Fire Sprinkler Head Viking Quick Response Large Orifice Dry Pendent Sprinklers are thermosensitive spray sprinklers suitable for use in areas subject to freezing. The sprinklers are designed for dry systems and preaction systems where it is necessary to prevent water or condensation from entering the drop nipple before